88440388275625 has 15 divisors (see below), whose sum is σ = 110515402979553. Its totient is φ = 70752122535000.

The previous prime is 88440388275601. The next prime is 88440388275647. The reversal of 88440388275625 is 52657288304488.

It is a happy number.

The square root of 88440388275625 is 9404275.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 6933726440809 + 81506661834816 = 2633197^2 + 9028104^2 .

It is not a de Polignac number, because 88440388275625 - 2¹³ = 88440388267433 is a prime.

It is a Smith number, since the sum of its digits (70) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 234918790 + ... + 235294960.

Almost surely, 2^{88440388275625} is an apocalyptic number.

88440388275625 is the 9404275-th square number.

88440388275625 is the 4702138-th centered octagonal number.

It is an amenable number.

88440388275625 is a deficient number, since it is larger than the sum of its proper divisors (22075014703928).

88440388275625 is an frugal number, since it uses more digits than its factorization.

88440388275625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752362 (or 376176 counting only the distinct ones).

The product of its (nonzero) digits is 825753600, while the sum is 70.

The spelling of 88440388275625 in words is "eighty-eight trillion, four hundred forty billion, three hundred eighty-eight million, two hundred seventy-five thousand, six hundred twenty-five".